.b-icon_type_folder {
    display: inline-block;
    margin: 1em;
    background-color: transparent;
    overflow: hidden;
}

ul {
    list-style: none;
}
a {
    text-decoration: none;
    color: #333;
}

/*#menu{*/
/*    border:1px solid #ccc;*/
/*    background: #eee;*/
/*    position: absolute; // 设置菜单为绝对位置*/
/*    width: 100px;*/
/*    height: 120px;*/
/*    display: none;*/
/*}*/

.contextmenu {
    width: 200px;
    border: 1px solid #999;
    box-shadow: 3px 3px 3px #ccc;
    background-color: #fff;
    position: absolute;
    top: 10px;
    left: 10px;
    display: none;
    z-index:9999999
}
.contextmenu li {
    height: 40px;
    line-height: 40px;
}
.contextmenu li a {
    display: block;
    padding: 0 30px;
}
.contextmenu li a:hover {
    background-color: #ccc;
    font-weight: bold;
    color: #fff;
}